.search_content,.c_r_s_top{
	margin: 0 auto;
    width: 680px;
}
.main {
    margin: 0 auto;
    width: 680px;
}
#pro_box{
    margin-top: 15%;
}
.home_box{
	display: grid;
    grid-template-columns: repeat(3, 32.3%);
    grid-gap: 15px;
    grid-auto-flow: row dense;
}